Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\bcss\storage\framework\views\e4a3ef12265cf827de200955b68eab96.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bcss\storage\framework\views\e4a3ef12265cf827de200955b68eab96.php on line 4